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Home >> Volkswagen >> 2006 >> GTI 1.8 E, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 248 (2.5L - Exhaust System, Emission Controls - Engine Code(S): BGP, BGQ, CBTA & CBUA (As Of 11.2011)) >> 26 Exhaust System, Emission Controls >> Description And Operation >> Exhaust Pipe With Catalytic Converter Overview

Exhaust Pipe With Catalytic Converter Overview

WARNING: This page is about a different car, the 2009 Volkswagen Rabbit, 2008 Volkswagen Rabbit, 2007 Volkswagen Rabbit, and 2006 Volkswagen Rabbit. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Front Exhaust Pipe With Catalytic Converter And Attachments (Engine Code: BGP), Assembly Overview
GWWN26-10253Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Exhaust Manifold
    • Coat the stud bolts with hot bolt paste.
  2. Gasket
    • Always replace.
    • Note the installation position:

      Gasket recess -arrow A- must be located at the exhaust manifold recess -arrow B-.

  3. Nut
    • 25 Nm
    • Always replace.
  4. Exhaust Pipe with Catalytic Converter
  5. Clamp
  6. Nut
    • 25 Nm
    • Tighten the nuts evenly.
  7. Nut
    • 23 Nm
  8. Front Cross Member
  9. Oxygen Sensor after Three Way Catalytic Converter -G130-
    • 55 Nm
    • When reusing an old oxygen sensor again, only use hot bolt paste to grease the threads. Do not let the paste get onto the slits of the oxygen sensor body.
  10. Connector
    • Brown, 4 pin
    • Installed position, refer to Fig 3.
  11. Bolt
    • 25 Nm
  12. Suspended Mount
    • Replace if damaged.
Fig 2: Installation Position Of Clamp
GWWN26-10261Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The -arrow- points in the direction of travel.

-- Align the clamp -1- to the mark on the pipe -2-.

-a - = 5 mm

The bolts must not project beyond the lower edge of the clamp.

Fig 3: Harness Connector For Oxygen Sensor - Installation Position
GWWN26-10259Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The connector is located to the right, on the vehicle floor under the cover.

  1. Bracket
  2. Oxygen sensor after three way catalytic converter connector, brown


Fig 1: Front Exhaust Pipe With Catalytic Converter And Attachments (Engine Code BGQ), Assembly Overview
GWWN26-10254Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Exhaust Manifold
    • Coat the stud bolts with hot bolt paste.
  2. Gasket
    • Always replace.
    • Note the installed position:

      Gasket recess -arrow A- must be located at exhaust manifold recess -arrow B-.

  3. Connector
    • Black, 4 pin
  4. Oxygen Sensor in Bank 1 Center Three Way Catalytic Converter -G465-
    • 55 Nm
    • When reusing an old oxygen sensor again, only use hot bolt paste to grease the threads. Do not let the paste get onto the slits of the oxygen sensor body.
  5. Spring Nut
    • Insert from the front.
  6. Clamp
  7. Nut
    • 25 Nm
    • Tighten the nuts evenly.
  8. Nut
    • 23 Nm
  9. Oxygen Sensor after Three Way Catalytic Converter -G130-
    • 55 Nm
    • When reusing an old oxygen sensor again, only use hot bolt paste to grease the threads. Do not let the paste get onto the slits of the oxygen sensor body.
  10. Connector
    • Brown, 4 pin
    • Installed position, refer to Fig 3.
  11. Front Cross Member
  12. Bolt
    • 5 Nm
  13. Heat Shield
    • For the catalytic converter.
  14. Bolt
    • 25 Nm
  15. Suspended Mount
    • Replace if damaged.
  16. Bolt
    • 10 Nm
  17. Exhaust Pipe with Catalytic Converter
  18. Nut
    • 25 Nm
    • Always replace.
Fig 2: Installation Position Of Clamp
GWWN26-10261Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The -arrow- points in the direction of travel.

-- Align the clamp -1- to the mark on the pipe -2-.

-a - = 5 mm

The bolts must not project beyond the lower edge of the clamp.

Fig 3: Disconnecting 4-Pin Electrical Harness Connector From Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G130
GWWN24-10307Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The connector is located to the right, on the vehicle floor under the cover.

  1. Oxygen sensor after three way catalytic converter connector, brown
  2. Bracket
  3. Oxygen sensor in bank 1 center three way catalytic converter connector, black